The 1998 Belgian Supercup was a football match between the winners of the previous season's Belgian First Division and Belgian Cup competitions. The match was contested by Cup winners Genk, and 1997–98 Belgian First Division champions, Club Brugge on 8 August 1998 at the ground of the league winners Club Brugge, the Jan Breydel Stadium. Club Brugge won the match, holding on to their lead despite a late consolation goal by Souleymane Oularé.
^Midfielder Viðarsson was only on trial at Genk at the time of the match but allowed to participate according to the rules of the Belgian Super Cup at that time. Eventually he would not sign for Genk but stay with Lokeren where he was contracted at the time of the match.